package studio.baka.satoripixeldungeon.effects.particles;

import com.watabou.noosa.particles.Emitter;
import com.watabou.noosa.particles.Emitter.Factory;
import com.watabou.noosa.particles.PixelParticle;
import com.watabou.utils.PointF;
import com.watabou.utils.Random;

public class EnergyParticle extends PixelParticle {

    public static final Emitter.Factory FACTORY = new Factory() {
        @Override
        public void emit(Emitter emitter, int index, float x, float y) {
            ((EnergyParticle) emitter.recycle(EnergyParticle.class)).reset(x, y);
        }

        @Override
        public boolean lightMode() {
            return true;
        }
    };

    public EnergyParticle() {
        super();

        lifespan = 1f;
        color(0xFFFFAA);

        speed.polar(Random.Float(PointF.PI2), Random.Float(24, 32));
    }

    public void reset(float x, float y) {
        revive();

        left = lifespan;

        this.x = x - speed.x * lifespan;
        this.y = y - speed.y * lifespan;
    }

    @Override
    public void update() {
        super.update();

        float p = left / lifespan;
        am = p < 0.5f ? p * p * 4 : (1 - p) * 2;
        size(Random.Float(5 * left / lifespan));
    }
}